/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package Login;

import Entity.Account;
import java.io.IOException;
import java.io.PrintWriter;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *

 */
public class LoginServlet extends HttpServlet {
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
          String action = request.getParameter("action");

            Context ctx = new InitialContext();

            LoginSessionBeanLocal LoginLocal = (LoginSessionBeanLocal) ctx.lookup("LoginSessionBeanLocalJNDI");

            if(action.equals("Sign In")){
                String strError="";
                request.getSession().setAttribute("Invalid", strError);
                Account ac = LoginLocal.findAccountByPrimakey(request.getParameter("txtUsername"));
                if(LoginLocal.checkLoginMethod(request.getParameter("txtUsername"), request.getParameter("txtPassword")))
                {
                    
                    if(ac !=null)
                    {
                       if(!ac.getIDelete())
                       {
                              if(ac.getRole().equals("Admin"))
                              {
                                    request.getSession().setAttribute("Admin_Session", ac);
                                  //  response.sendRedirect(request.getContextPath() + "AdminHome.jsp");
                                    request.getRequestDispatcher("AdminHome.jsp").forward(request, response);

                              }else if(ac.getRole().equals("User"))
                              {
                                     request.getSession().setAttribute("User_Session", ac);
                                     request.getRequestDispatcher("index.jsp").forward(request, response);

                              }else{
                                    strError="Role not found !";
                                    request.getSession().setAttribute("Invalid", strError);
                                   request.getRequestDispatcher("index.jsp").forward(request, response);

                              }
                        }else{
                               strError= "Your account has locked !";
                              request.getSession().setAttribute("Invalid", strError);
                               request.getRequestDispatcher("index.jsp").forward(request, response);
                          
                        }
                    }
              }else{
                        strError ="Invalid Username or Password !";
                        request.getSession().setAttribute("Invalid", strError);
                        request.getRequestDispatcher("index.jsp").forward(request, response);
                     
              }
            }else if(action.equals("Sign Out"))
            {
                    request.getSession().removeAttribute("Admin_Session");
                    request.getSession().removeAttribute("User_Session");
                   request.getRequestDispatcher("index.jsp").forward(request, response);
            }
        }catch(Exception ex) {
            ex.printStackTrace();
        }finally {
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
